Klaus Ehrmann

Person

New South Wales, AU

People

Patents Grantslast 30 patents

Information Patent Grant
Devices, systems and/or methods for myopia control
- Patent number 12,061,383
- Issue date Aug 13, 2024
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Grant
Devices, systems and/or methods for myopia control
- Patent number 11,874,532
- Issue date Jan 16, 2024
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Grant
Ophthalmic optical lens for vision correction having one or more ar...
- Patent number 11,874,529
- Issue date Jan 16, 2024
- Brien Holden Vision Institute Limited
- Brien Anthony Holden
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lenses, devices, methods and systems for refractive error
- Patent number 11,809,024
- Issue date Nov 7, 2023
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lenses, devices and methods for ocular refractive error
- Patent number 11,644,688
- Issue date May 9, 2023
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Grant
Systems, methods and devices for controlling the progression of myopia
- Patent number 11,567,347
- Issue date Jan 31, 2023
- Brien Holden Vision Institute Limited
- Padmaja Sankaridurg
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lenses, devices, methods and systems for refractive error
- Patent number 11,333,903
- Issue date May 17, 2022
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lenses, devices, systems and methods for refractive error
- Patent number 11,320,672
- Issue date May 3, 2022
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Devices, systems and/or methods for myopia control
- Patent number 11,226,497
- Issue date Jan 18, 2022
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Grant
Ophthalmic optical lens for vision correction having one or more ar...
- Patent number 10,962,802
- Issue date Mar 30, 2021
- Brien Holden Vision Institute Limited
- Brien Anthony Holden
- G02 - OPTICS
Information Patent Grant
Lenses, devices, methods and systems for refractive error
- Patent number 10,948,743
- Issue date Mar 16, 2021
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lenses, devices, and methods for ocular refractive error
- Patent number 10,838,235
- Issue date Nov 17, 2020
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Grant
Systems and methods for determining the quality of a reproduced (ma...
- Patent number 10,670,495
- Issue date Jun 2, 2020
- Brien Holden Vision Institute Limited
- Fabian Conrad
- G01 - MEASURING TESTING
Information Patent Grant
System and method for characterising eye-related systems
- Patent number 10,575,725
- Issue date Mar 3, 2020
- Brien Holden Vision Institute Limited
- Klaus Ehrmann
- G02 - OPTICS
Information Patent Grant
Lenses, devices, methods and systems for refractive error
- Patent number 10,534,198
- Issue date Jan 14, 2020
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Grant
Lenses, devices, systems and methods for refractive error
- Patent number 10,520,754
- Issue date Dec 31, 2019
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Grant
Lenses, devices and methods for ocular refractive error
- Patent number 10,466,507
- Issue date Nov 5, 2019
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Grant
Systems and methods for determining the quality of a reproduced (ma...
- Patent number 10,352,816
- Issue date Jul 16, 2019
- Brien Holden Vision Institute Limited
- Fabian Conrad
- G01 - MEASURING TESTING
Information Patent Grant
Lenses, devices and methods for ocular refractive error
- Patent number 10,209,535
- Issue date Feb 19, 2019
- Brien Holden Vision Institute
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lenses, devices, methods and systems for refractive error
- Patent number 10,203,522
- Issue date Feb 12, 2019
- Brien Holden Vision Institute
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Grant
Ophthalmic optical lens for vision correction having one or more ar...
- Patent number 10,191,300
- Issue date Jan 29, 2019
- Brien Holden Vision Institute
- Brien Anthony Holden
- G02 - OPTICS
Information Patent Grant
System and method for characterising eye-related systems
- Patent number 9,936,867
- Issue date Apr 10, 2018
- Brien Holden Vision Institute
- Klaus Ehrmann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lenses, devices, systems and methods for refractive error
- Patent number 9,759,930
- Issue date Sep 12, 2017
- Brien Holden Vision Institute
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lenses, devices and methods of ocular refractive error
- Patent number 9,575,334
- Issue date Feb 21, 2017
- Brien Holden Vision Institute
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lenses, devices, methods and systems for refractive error
- Patent number 9,541,773
- Issue date Jan 10, 2017
- Brien Holden Vision Institute
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lenses, devices, methods and systems for refractive error
- Patent number 9,535,263
- Issue date Jan 3, 2017
- Brien Holden Vision Institute
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
System and method for characterising eye-related systems
- Patent number 9,445,717
- Issue date Sep 20, 2016
- Brien Holden Vision Institute
- Klaus Ehrmann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lenses, devices, methods and systems for refractive error
- Patent number 9,201,250
- Issue date Dec 1, 2015
- Brien Holden Vision Institute
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lenses, devices and methods for ocular refractive error
- Patent number 9,195,074
- Issue date Nov 24, 2015
- Brien Holden Vision Institute
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Physical model eye systems and methods
- Patent number 8,814,356
- Issue date Aug 26, 2014
- Brien Holden Vision Institute
- Klaus Ehrmann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Devices, Systems and/or Methods for Myopia Control
- Publication number 20240201518
- Publication date Jun 20, 2024
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
Ophthalmic Optical Lens for Vision Correction Having One or More Ar...
- Publication number 20240184139
- Publication date Jun 6, 2024
- Brien Holden Vision Institute Limited
- Brien Anthony Holden
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Lenses, Devices, Methods and Systems for Refractive Error
- Publication number 20240160044
- Publication date May 16, 2024
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
Lenses, Devices and Methods for Ocular Refractive Error
- Publication number 20230350232
- Publication date Nov 2, 2023
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Systems, Methods and Devices for Controlling the Progression of Myopia
- Publication number 20230194895
- Publication date Jun 22, 2023
- Brien Holden Vision Institute Limited
- Padmaja Sankaridurg
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
OPTICAL FILMS WITH NON-REFRACTIVE OPAQUE FEATURES TO TRANSFORM SING...
- Publication number 20230176399
- Publication date Jun 8, 2023
- NTHALMIC HOLDING PTY LTD
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
A CONTACT LENS FOR MYOPIA WITH OR WITHOUT ASTIGMATISM
- Publication number 20230123284
- Publication date Apr 20, 2023
- Nthalmic Holding Pty Ltd
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
CONTACT LENS APPARATUS FOR MYOPIA MANAGEMENT
- Publication number 20230107285
- Publication date Apr 6, 2023
- NTHALMIC HOLDING PTY LTD
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
FREEFORM CONTACT LENSES FOR MYOPIA MANAGEMENT
- Publication number 20230102797
- Publication date Mar 30, 2023
- Nthalmic Holding Pty Ltd
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
SPECTACLE LENSES WITH AUXILIARY OPTICAL ELEMENTS
- Publication number 20230101527
- Publication date Mar 30, 2023
- NTHALMIC HOLDING PTY LTD
- Ravi Chandra BAKARAJU
- G02 - OPTICS
Information Patent Application
Devices, Systems and/or Methods for Myopia Control
- Publication number 20230039493
- Publication date Feb 9, 2023
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
Devices, Systems and/or Methods for Myopia Control
- Publication number 20230034749
- Publication date Feb 2, 2023
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
OPHTHALMIC LENS DESIGNS WITH NON-REFRACTIVE FEATURES
- Publication number 20230004026
- Publication date Jan 5, 2023
- NTHALMIC HOLDING PTY LTD
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
Lenses, Devices, Methods and Systems for Refractive Error
- Publication number 20220373824
- Publication date Nov 24, 2022
- Brien Holden Vision Institute Limited
- Ravi Bakaraju
- G02 - OPTICS
Information Patent Application
Lenses, Devices, Systems and Methods for Refractive Error
- Publication number 20220342234
- Publication date Oct 27, 2022
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
A CONTACT LENS SOLUTION FOR MYOPIA MANAGEMENT
- Publication number 20220334409
- Publication date Oct 20, 2022
- NTHALMIC HOLDING PTY LTD
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
A FREEFORM CONTACT LENS SOLUTION FOR MYOPIA
- Publication number 20220326545
- Publication date Oct 13, 2022
- NTHALMIC HOLDING PTY LTD
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
Ophthalmic Optical Lens for Vision Correction Having One or More Ar...
- Publication number 20210286197
- Publication date Sep 16, 2021
- Brien Holden Vision Institute Limited
- Brien Anthony Holden
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Lenses, Devices, Methods and Systems for Refractive Error
- Publication number 20210271110
- Publication date Sep 2, 2021
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Lenses, Devices and Methods for Ocular Refractive Error
- Publication number 20210191157
- Publication date Jun 24, 2021
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
Systems, Methods and Devices for Controlling the Progression of Myopia
- Publication number 20200183185
- Publication date Jun 11, 2020
- Brien Holden Vision Institute Limited
- Padmaja Sankaridurg
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Lenses, Devices, Systems and Methods for Refractive Error
- Publication number 20200150455
- Publication date May 14, 2020
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Lenses, Devices, Methods and Systems for Refractive Error
- Publication number 20200150458
- Publication date May 14, 2020
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Devices, Systems and/or Methods for Myopia Control
- Publication number 20200073147
- Publication date Mar 5, 2020
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- G02 - OPTICS
Information Patent Application
Systems and Methods for Determining the Quality of a Reproduced (Ma...
- Publication number 20190391039
- Publication date Dec 26, 2019
- Brien Holden Vision Institute Limited
- Fabian Conrad
- G02 - OPTICS
Information Patent Application
Lenses, Devices, Methods and Systems for Refractive Error
- Publication number 20190235278
- Publication date Aug 1, 2019
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Ophthalmic Optical Lens for Vision Correction Having One or Moe Are...
- Publication number 20190227343
- Publication date Jul 25, 2019
- Brien Holden Vision Institute Limited
- Brien Anthony Holden
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Lenses, Devices, and Methods for Ocular Refractive Error
- Publication number 20190227344
- Publication date Jul 25, 2019
- Brien Holden Vision Institute Limited
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Devices and Method for Generating A Stimulus to Evaluate Ocular Sen...
- Publication number 20190099071
- Publication date Apr 4, 2019
- Brien Holden Vision Institute
- Klaus Ehrmann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Lenses, Devices and Methods for Ocular Refractive Error
- Publication number 20180335648
- Publication date Nov 22, 2018
- BRIEN HOLDEN VISION INSTITUTE
- Ravi Chandra Bakaraju
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Klaus Ehrmann

Person

Patents Grantslast 30 patents

Devices, systems and/or methods for myopia control

Devices, systems and/or methods for myopia control

Ophthalmic optical lens for vision correction having one or more ar...

Lenses, devices, methods and systems for refractive error

Lenses, devices and methods for ocular refractive error

Systems, methods and devices for controlling the progression of myopia

Lenses, devices, methods and systems for refractive error

Lenses, devices, systems and methods for refractive error

Devices, systems and/or methods for myopia control

Ophthalmic optical lens for vision correction having one or more ar...

Lenses, devices, methods and systems for refractive error

Lenses, devices, and methods for ocular refractive error

Systems and methods for determining the quality of a reproduced (ma...

System and method for characterising eye-related systems

Lenses, devices, methods and systems for refractive error

Lenses, devices, systems and methods for refractive error

Lenses, devices and methods for ocular refractive error

Systems and methods for determining the quality of a reproduced (ma...

Lenses, devices and methods for ocular refractive error

Lenses, devices, methods and systems for refractive error

Ophthalmic optical lens for vision correction having one or more ar...

System and method for characterising eye-related systems

Lenses, devices, systems and methods for refractive error

Lenses, devices and methods of ocular refractive error

Lenses, devices, methods and systems for refractive error

Lenses, devices, methods and systems for refractive error

System and method for characterising eye-related systems

Lenses, devices, methods and systems for refractive error

Lenses, devices and methods for ocular refractive error

Physical model eye systems and methods

Patents Applicationslast 30 patents

Devices, Systems and/or Methods for Myopia Control

Ophthalmic Optical Lens for Vision Correction Having One or More Ar...

Lenses, Devices, Methods and Systems for Refractive Error

Lenses, Devices and Methods for Ocular Refractive Error

Systems, Methods and Devices for Controlling the Progression of Myopia

OPTICAL FILMS WITH NON-REFRACTIVE OPAQUE FEATURES TO TRANSFORM SING...

A CONTACT LENS FOR MYOPIA WITH OR WITHOUT ASTIGMATISM

CONTACT LENS APPARATUS FOR MYOPIA MANAGEMENT

FREEFORM CONTACT LENSES FOR MYOPIA MANAGEMENT

SPECTACLE LENSES WITH AUXILIARY OPTICAL ELEMENTS

Devices, Systems and/or Methods for Myopia Control

Devices, Systems and/or Methods for Myopia Control

OPHTHALMIC LENS DESIGNS WITH NON-REFRACTIVE FEATURES

Lenses, Devices, Methods and Systems for Refractive Error

Lenses, Devices, Systems and Methods for Refractive Error

A CONTACT LENS SOLUTION FOR MYOPIA MANAGEMENT

A FREEFORM CONTACT LENS SOLUTION FOR MYOPIA

Ophthalmic Optical Lens for Vision Correction Having One or More Ar...

Lenses, Devices, Methods and Systems for Refractive Error

Lenses, Devices and Methods for Ocular Refractive Error

Systems, Methods and Devices for Controlling the Progression of Myopia

Lenses, Devices, Systems and Methods for Refractive Error

Lenses, Devices, Methods and Systems for Refractive Error

Devices, Systems and/or Methods for Myopia Control

Systems and Methods for Determining the Quality of a Reproduced (Ma...

Lenses, Devices, Methods and Systems for Refractive Error

Ophthalmic Optical Lens for Vision Correction Having One or Moe Are...

Lenses, Devices, and Methods for Ocular Refractive Error

Devices and Method for Generating A Stimulus to Evaluate Ocular Sen...

Lenses, Devices and Methods for Ocular Refractive Error